For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:logging/openSUSE_Tumbleweed/security:logging.repo
zypper refresh
zypper install gradle
For 15.7 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:logging/15.7/security:logging.repo
zypper refresh
zypper install gradle
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:logging/15.6/security:logging.repo
zypper refresh
zypper install gradle
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:logging/15.5/security:logging.repo
zypper refresh
zypper install gradle
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/security:logging/15.4/security:logging.repo
zypper refresh
zypper install gradle